#include <iostream>
#include <stdio.h>

using namespace std;

int main()
{
   char keys[] = {'`','1','2','3','4','5','6','7','8','9','0','-','=',
                  'Q','W','E','R','T','Y','U','I','O','P','[',']','\\',
                  'A','S','D','F','G','H','J','K','L',';','\'',
                  'Z','X','C','V','B','N','M',',','.','/'};
   char inputchar;
   char taken;
   
   while(!(EOF == scanf("%c", &inputchar)))
   {
      taken = 0;
      for(int i = 0; i < 47; i++)
      {
         if(keys[i] == inputchar)
         {
            cout<<keys[i-1];
            taken = 1;
            break;
         }
      }
      if(!taken) cout<<inputchar;
   }
   return 0;
}
